On average, listings lease in the $10's per square foot per year. The Lafayette region is going through a a rise in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 12% rise in rent.
In the last 90 days, 12 listings have come on the market, which means new availabilities might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 8% of the listings in the Lafayette are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,160 sqft. Most properties in this area are approximately 2 floors. Most buildings in this region were built in 2001 and are Class B.